Our notebook is coming soon. Join the waitlist for early access.
Write your work with a Pencil, like it’s paper. Circle your answer. tamatar’s red pen finds the first slip and helps just enough for you to fix it yourself.
A 5 kg block slides down a 30° ramp. Draw every force on the block.
Pencil on the canvas. No typing, no equation editor, no special syntax.
Start every arrow on the object. tamatar checks which way each one points.
A circle means done. The red pen reads the whole page and finds the first slip.
Answer keys teach you to copy. tamatar starts with a single red mark and lets you decide how much more you need. Every step up the ladder gets a tally, so you always know how much was you.
μk = 0.2. Find the block’s acceleration.
The red pen starts with one mark and a few words. Most of the time that’s enough. Want more? Slide the nib.
It lives in the corner of every page and watches you write. Right answers keep it fresh. Make the same mistake twice and it starts to rot. One right answer and it perks back up.
Go ahead, poke it. It doesn’t mind. Much.
a run of right answers. shiny.
The full solution is the last rung, and it costs a tally.
It finds the first slip. Fix that one, then check again.
If you can write it on paper, you can write it here.
Feedback goes around your ink, never on top of it.
Bring a ramp problem. Bring a Pencil. Bring a bit of patience for a dramatic vegetable.
join the waitlist →works best on iPad with Apple Pencil. a mouse is fine too.